Recover Emails From Outlook Backup

Hi, outlook 2013 crashed on me and created a weird additional ost file and 3 weeks of emails were deleted. I need someone to check my outlook backup file (.ost, originally .bak file) to see if it may have saved them and search for emails to and from only 3 specific email addresses then if they can be found, email them to me, simple. Unfortunately because of this Microsoft problem my imap emails on my server were deleted. I assume you would need some specialised software to do this without logging on to the imap server. Please advise if this is so

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Dear Prospect Hiring Manager.
Thank you for giving me a chance to bid on your project. i am a serious bidder here and i have already worked on a similar project before and can deliver as u have mentioned
I haveMore

Dear Hiring Manager,
Please allow me to introduce my self. I'm Bryan Gomez. I have finished the course of Bachelor of Science in Information Technology last March 2010. I have good decision making and situation anaMore